JVC GR-DVM90U, Service Manual

Page: 7 / 105

1-3
1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS
AND BOARD ASSEMBLY
1.3.1 Disassembly flow chart
This flowchart indicates the disassembly step for the cabi-
net parts and board assembly in order to gain access to
item(s) to be serviced. When reassembling, perform the
step(s) in reverse order.
8. Slit washer installation jig
To be used to install slit washers.
9. Power supply jig
To be used for power supply to the set when the
exclusive DC power cord is not used. Carefully use
this jig, especially not to damage the battery terminal
(+/-).
10. Jig connector cable
Connected to CN1010 of the main board and used
for electrical adjustment, etc.
11. Extension connector
Connect this extension connector to the connector
of the jig connector cable for extending the cable
connector.
Note: For supplying the power through the coupler
by removing the cover (for jig), use this
extension connector double for connecting
the jig connector cable.
12. PC cable
To be used to connect the VideoMovie and a
personal computer with each other when a personal
computer is used for adjustment.
13. Alignment tape
To be used for check and adjustment of
interchangeability of the mechanism.
14. Service support system
To be used for adjustment with a personal computer.
15. INF adjustment lens
To be used for adjustment of the camera system.
16. INF adjustment lens holder
To be used together with the camera stand for
operating the VideoMovie in the stripped-down
condition such as the status without the exterior
parts or for using commodities that are not yet
conformable to the interchangeable ring.
17. Camera stand
To be used together with the INF adjustment lens
holder.
18. Light box assembly
To be used for adjustment of the camera system.
19. Gray scale chart (for Light box assembly)
To be used for adjustment of the camera system.
20. Color bar chart (for Light box assembly)
To be used for adjustment of the camera system.
21. Soldering kit
Thin head is made so that it can be inserted into
small spaces.
22. Cleaning cloth
Recommended cleaning cloth to wipe down the
video heads, mechanism (tape transport system),
optical lens surface.
1
DECK OPE ASSY
2
FRONT COVER ASSY
3
UPPER CASE ASSY
(INC. MONITOR, etc.)
4
MONITOR ASSY
5
BASE ASSY
6
LOWER CASE
(INC. OP BLOCK, E. VF)
7
OP BLOCK ASSY
8
STROBE ASSY
9
MIC
0
E VF ASSY
-
AUDIO/VF BOARD ASSY
=
MDA BOARD ASSY
~
MAIN BOARD ASSY
!
MECHANISM ASSY